CA1289821C - Chapeau de moyeu d'helice a ailettes - Google Patents

Chapeau de moyeu d'helice a ailettes

Info

Publication number
CA1289821C
CA1289821C CA 543348 CA543348A CA1289821C CA 1289821 C CA1289821 C CA 1289821C CA 543348 CA543348 CA 543348 CA 543348 A CA543348 A CA 543348A CA 1289821 C CA1289821 C CA 1289821C
Authority
CA
Canada
Prior art keywords
propeller
fins
cap
roots
cap body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CA 543348
Other languages
English (en)
Inventor
Michihito Ogura
Hajime Koizuka
Toshinori Takeshita
Yoshio Kohno
Kazuyuki Ouchi
Takashi Shiotsu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WEST JAPAN FLUID ENGINEERING LABORATORY Co Ltd
Mitsui OSK Lines Ltd
Mikado Propeller Co Ltd
Original Assignee
WEST JAPAN FLUID ENGINEERING LABORATORY Co Ltd
Mitsui OSK Lines Ltd
Mikado Propeller Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by WEST JAPAN FLUID ENGINEERING LABORATORY Co Ltd, Mitsui OSK Lines Ltd, Mikado Propeller Co Ltd filed Critical WEST JAPAN FLUID ENGINEERING LABORATORY Co Ltd
Application granted granted Critical
Publication of CA1289821C publication Critical patent/CA1289821C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63HMARINE PROPULSION OR STEERING
    • B63H1/00Propulsive elements directly acting on water
    • B63H1/02Propulsive elements directly acting on water of rotary type
    • B63H1/12Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
    • B63H1/14Propellers
    • B63H1/28Other means for improving propeller efficiency
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63HMARINE PROPULSION OR STEERING
    • B63H1/00Propulsive elements directly acting on water
    • B63H1/02Propulsive elements directly acting on water of rotary type
    • B63H1/12Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
    • B63H1/14Propellers
    • B63H1/28Other means for improving propeller efficiency
    • B63H2001/283Propeller hub caps with fins having a pitch different from pitch of propeller blades, or a helix hand opposed to the propellers' helix hand

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
CA 543348 1986-07-31 1987-07-30 Chapeau de moyeu d'helice a ailettes Expired - Lifetime CA1289821C (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP18157786 1986-07-31
JP181,577/86 1986-07-31
JP188,898/86 1986-08-11
JP18889886 1986-08-11

Publications (1)

Publication Number Publication Date
CA1289821C true CA1289821C (fr) 1991-10-01

Family

ID=26500707

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 543348 Expired - Lifetime CA1289821C (fr) 1986-07-31 1987-07-30 Chapeau de moyeu d'helice a ailettes

Country Status (7)

Country Link
EP (1) EP0255136A1 (fr)
AU (1) AU593670B2 (fr)
CA (1) CA1289821C (fr)
FR (1) FR2619352A1 (fr)
GB (1) GB2194295B (fr)
HK (1) HK85092A (fr)
SG (1) SG60592G (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11713101B2 (en) 2020-12-04 2023-08-01 Jeffrey L. HATHAWAY Propeller hubcap

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU593670B2 (en) * 1986-07-31 1990-02-15 Mikado Propeller Co., Ltd. A screw propeller boss cap with fins
JP2947357B2 (ja) * 1989-08-18 1999-09-13 日産自動車株式会社 高速艇のプロペラ構造
US5096383A (en) * 1989-11-02 1992-03-17 Deutsche Forschungsanstalt Fur Luft- Und Raumfahrt E.V. Propeller blades
EP0758606A1 (fr) * 1995-08-16 1997-02-19 Schottel-Werft Josef Becker GmbH & Co KG. Chapeau de moyeu pour hélices de bateau
DE10152977C1 (de) 2001-10-26 2003-05-08 Howaldtswerke Deutsche Werft Vorrichtung zur Entgegenwirkung von im Nabenbereich von Propellern und/oder Propellerantrieben im umgebenden Fluid erzeugten Strömungswirbeln
FI115210B (fi) 2002-12-20 2005-03-31 Abb Oy Laite propulsiojärjestelmässä
WO2012008901A1 (fr) * 2010-07-12 2012-01-19 Rolls-Royce Aktiebolag Groupe propulseur pour un navire et navire présentant un groupe propulseur
DE102011055515A1 (de) 2011-11-18 2013-05-23 Becker Marine Systems Gmbh & Co. Kg Propelleranordnung, insbesondere für Wasserfahrzeuge
CN103115021B (zh) * 2013-02-01 2015-03-04 华中科技大学 一种叶轮装置
WO2015182931A1 (fr) * 2014-05-28 2015-12-03 한국해양과학기술원 Cône d'hélice combiné pour réduire un écoulement rotatif et un tourbillon de moyeu et améliorer l'efficacité de propulsion
JP6812057B2 (ja) * 2017-06-21 2021-01-13 ナカシマプロペラ株式会社 船舶用推進装置及びそれを備えた船舶

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE606119C (de) * 1933-11-12 1934-11-24 Nicholas Wladimir Akimoff Einrichtung zur Erhoehung des Wirkungsgrades eines Schraubenpropellers
GB652441A (en) * 1948-05-19 1951-04-25 Edward Shellberg Air deflectors for airplane propellers
US2755868A (en) * 1953-09-17 1956-07-24 United Aircraft Corp Spinner construction for an aeronautical propeller
GB752765A (en) * 1953-09-17 1956-07-11 United Aircraft Corp Improvements in or relating to a spinner construction for an aeronautical propeller
US3606579A (en) * 1969-01-22 1971-09-20 Henry Mehus Propeller
BE789482A (fr) * 1971-10-04 1973-01-15 Gen Electric Construction d'ogive degivrante pour turbomachine
DE3037369A1 (de) * 1980-09-01 1982-03-11 Escher Wyss Gmbh, 7980 Ravensburg Schiffspropeller
AU593670B2 (en) * 1986-07-31 1990-02-15 Mikado Propeller Co., Ltd. A screw propeller boss cap with fins

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11713101B2 (en) 2020-12-04 2023-08-01 Jeffrey L. HATHAWAY Propeller hubcap

Also Published As

Publication number Publication date
HK85092A (en) 1992-11-13
FR2619352A1 (fr) 1989-02-17
EP0255136A1 (fr) 1988-02-03
AU7630187A (en) 1988-02-04
GB8718165D0 (en) 1987-09-09
GB2194295B (en) 1991-03-20
GB2194295A (en) 1988-03-02
SG60592G (en) 1992-09-04
AU593670B2 (en) 1990-02-15

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Legal Events

Date Code Title Description
MKEX Expiry